DecafluorobiphenylYog ib qho tshuaj lom neeg sib xyaw nrog kaum tshuaj fluorine atoms hloov cov hydrogen atoms hauv lub ntsej muag biphenyl nplhaib. Cov qauv molecular yog c12h2f10, CAS V434 - 90-2, thiab cov hniav txhais pob txha caj dab yog 414.11 g / mol. Nws yog ib qho tsis muaj kob rau lub teeb daj uas tshwm nyob rau hauv daim ntawv ntawm cov muaju lossis hmoov ntawm chav sov. Tsawg solubility hauv cov kuab tshuaj uas muaj ntau yam dej. Nws muaj qee qhov solubility hauv cov kuab tshuaj yeeb yaj kiab (xws li ethanol, methanol, dichhloromethane). Nws yog ib qho kev sib txuas sib txuas uas tsis yooj yim decomposed lossis undergoes tshuaj lom neeg cov tshuaj tiv thaiv nyob rau hauv cov mob. Nws muaj kev ruaj khov zoo rau huab cua, dej, thiab lub teeb. Nws yog pob tshab rau pom lub teeb thiab tsis muaj cov xim sib txawv. Nws yog ib qho tsis yog-polar compound nrog cov tshuaj lom neeg ua haujlwm siab thiab thermal stability vim yog cov tshuaj fluorine atoms. Qhov no tso cai rau nws siv los ua tus sawv cev insulating, coolant, roj nplua nyeem, thiab nruab nrab hauv qee cov ntawv thov. Nyob rau hauv ib txwm mob, nws muaj tsawg reactivity rau feem ntau cov tshuaj ntsuam xyuas tshuaj lom neeg thiab cov xwm txheej. Txawm li cas los xij, nyob rau hauv cov kub siab, siab siab lossis muaj cov cortalyst tshwj xeeb, nws yuav dhau los ua qee yam tshuaj lom neeg, xws li cov tshuaj tiv thaiv uas muaj ntxhiab tsw zoo.
Daim ntawv thov tau yog feem ntau concentrated nyob rau hauv teb xws li petrochemical, microelectronics manufacturing, tshuab tsim, thiab aerospace. Tsis tas li ntawd, Perfluorinated biphenyls yog siv nyob rau hauv liaj teb xws li automotive kev lag luam thiab aerospace. Kev loj hlob sai ntawm kev lag luam hauv tsheb tau tsav cov kev tsim kho lub tshuab hluav taws xob, uas yog siv roj ci ntsa iab rau cov roj Perfoilly Biphenyl kev lag luam Matrix ntawm fluorocarbon txheej yog feem ntau yog ptfe txheej, pvdf fluoropicymer, thiab lwm yam khoom siv tshuaj tua kab mob, thiab lwm yam.
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Tshuaj Cov Qauv |
C12F10 |
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Muaj pes tsawg leej |
334 |
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Molecular hnyav |
334 |
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m/z |
334 (100.0%), 335 (13.0%) |
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Kev Ntsuam Xyuas |
C, 43.14; F, 56.86 |
Decafluorobiphenyl(DFBP) yog cov tshuaj sib xyaw ua ke muaj ntau txoj kev sib tw ntawm ob lub benzene rings, nrog tsib fluorine atoms hloov ntawm txhua lub nplhaib Benzene. DFBP muaj qee cov ntawv thov tseem ceeb hauv ntau thaj teb.
1. Hauv teb ntawm electronics thiab hluav taws xob engineering:
{-}}}}}}}}}}}}}} wb hluav taws xob rwb thaiv tsev kev ua tau zoo thiab siv tau dav ua cov khoom siv rwb thaiv tsev. Nws tuaj yeem siv tau rau cov cuab yeej xws li cov xaim, hloov pauv, hloov, thiab kev hloov pauv thiab tiv thaiv kev voj voog thiab tiv thaiv arc tiam.
-}} senors: Yuav siv tau los ua nruab nrab ua haujlwm hauv qee cov sensors, xws li cov roj thiab cov av noo. Nws cov kev ua tau zoo thiab kev ruaj khov muaj cov kev siv yuav muaj peev xwm hauv thaj chaw ntawm sensors.
2. Thermal Pawg Tswj:
{{0- Carinant: DFBP muaj qhov tseem kub thiab thermal stability, ua rau nws ua kua txias siv rau cov khoom cua txias thiab cua sov dissipation tshuab. Nws yog dav siv nyob rau hauv cov khoom siv hluav taws xob thiab khoos phis tawj txias kom muab cov tshuaj kub ua kom sov thiab kub.
{{0-} Kev Kub Kub Daws Kub: DFBP tuaj yeem siv ua qhov nruab nrab ntawm qhov nruab nrab, nruab nrab qhov nruab nrab siv rau cov cua sov hloov pauv hauv cov hluav taws xob hloov pauv hluav taws xob thiab ntim khoom hluav taws xob.
3. Tshuaj Lom Neeg Hluav Taws Xob:
-} Cov Khoom Siv: Vim yog cov khoom tshwj xeeb ntawm DF cov tshuaj, DFBP tuaj yeem siv los ua cov kuab tshuaj rau qee cov tshuaj organic. Nws tuaj yeem muab cov ensert ib puag ncig rau cov organic hlau catalytic cov tshuaj xyuam raws li kev mob siab thiab ua raws li lub lignand.
{{0- catalyst cov cab kuj: DFBP tuaj yeem ua cov cab kuj catalyst ua si rau qee qhov kev sib raug zoo catalytic. Nws tuaj yeem muab cov kev tawm tsam ruaj khov thiab txhawb nqa qhov kev kawm ntawm cov kev tshwm sim tshwj xeeb.
4. Cov ntaub ntawv ua tau zoo ntawm teb:
{{0- roj nplua nyeem: DFBP muaj cov tshuaj lom neeg zoo heev thiab tshuaj lom neeg ua haujlwm zoo nkauj, ua rau nws muaj qhov siab {{2} {2} {2} {2} {2} {2} {2} {2} {2} {2} {2} {2}- Kev ua haujlwm zoo. Nws yog siv nyob rau hauv lub aerospace teb los ntub txav tsiv khoom xws li cuaj caum, pob zeb, thiab dav hlau siv.
{- nruab nrab: DFBP muaj cov khoom siv kub tsis tshua muaj zog, thiab tuaj yeem siv ua qhov nruab nrab ntawm cov khoom ua yeeb yaj kiab, thiab cov ntaub ntawv dielectric sib xyaw. Nws muaj tsawg kev coj zoo thiab kev kub siab ua kub. Nws kuj tseem siv tau los ua cov fiber ntau ua kua nruab nrab hauv kev sib txuas lus fiber ntau.
5. Kev tiv thaiv ib puag ncig:
- Hluav Taws Kub Tua Tawm Tus Neeg Sawv Cev: Yog li nws tuaj yeem siv hluav taws xob tua hluav taws hauv cov xwm txheej tua hluav taws hauv cov xwm txheej tshwj xeeb. Txawm li cas los xij, kev siv DF raws li cov tshuaj uas tua hluav taws tuaj yeem raug txwv lossis muaj cov pab pawg neeg Alkane thiab tej zaum yuav muaj kev phom sij rau ib puag ncig thiab kev noj qab haus huv.
Perfluorobiphenyl (PFBP) yog ib tus perfluorinated aromatic compound nrog molecular formula C12F10, synthesized los ntawm perfluylation ntawm biphenyl (C12h10). Nws tshwj xeeb cov txheej txheem perfluorinated xaus rau cov yam ntxwv tseem ceeb hauv qab no:
Ultra High Thermal stability: Qhov Kub Siab Tshaj Li 400 Qib, Boiling taw tes txog 213℃(nyob rau hauv lub siab siab)
Tshuaj lom neeg inertness: yuav luag tsis raug mob nrog txhua cov acids, hauv paus, thiab oxidants
Tsawg Degion SeA: 22.5mn / m (25 degree), qis dua cov kuab tshuaj organic feem ntau
Electrical insulation: resistivity>10 ¹⁴ω ¹⁴ω ¹⁴ω ¹⁴ω ¹⁴ω ¹⁴ω ¹⁴ωm cm, dielectric constant 2.05 (1kHz)
Ib puag ncig tsis tu ncua: perfluorocarbon qauv tiv taus Photysis, biodegradation, thiab metabolism
Cov chaw thov tseem ceeb
Kev lag luam hluav taws xob
Siciconductor Tu
Photoresist Tshem Tawm: Hloov N- methylprolidone (NMP) kom tsis txhob muaj hlau ion paug
Kev ntxuav tu tom qab etching: rau polymer seem hauv tsv (los ntawm silicon ntawm cov txheej txheem
Qhov Zoo:
Nruab Nrab Kub Bhaub taw tes, yooj yim tshem tawm los ntawm lub tshuab nqus tsev qhuav
Tsis muaj xeb rau txhuas thiab tooj cov hlau
Tau tshaj HF etching daws
Tiaj Tus Vaj Huam Sib Luag Zaub Raug
Oled tu: tshem cov pixel txhais txheej (PDL) cov photoresist
Ua Kua Ua Kua Crystal Txoj kev lis ntshav: Raws li ib qho kev hnyav rau cov khoom siv ua kua
Cov yam ntxwv yuav tsum:
Yauv cov ntsiab lus<10ppm
Qhov loj me me<0.1 μ m
Cov ntawv luam tawm hluav taws xob (PCB)
Qhov muag tsis pom kev: Tshem tawm epoxy resin resin resin resin resin resin resm drilling los ntawm laser drilling
Cov Taus Taus Hniav Kev Loj Hlob: Hloov ODS cov kuab tshuaj xws li Trichloroethane
Thermal Kev tswj cov khoom siv
Nuclear Reactor Txias
Plaub Tiam Reactor:DecafluorobiphenylRaws li kev ntxiv rau kua hlau ua txias (sodium / txhuas)
Molten ntsev li: Txhim kho cov thermal conductivity ntawm fluoride ntsev system
Cov tsis tseem ceeb:
Radiation stability>10 ⁶ gy
Neutron Kev ua kev sib tshuam hla ntu<0.1 target
Kev tswj hwm cua sov ntawm lub zog roj teeb
Theem Hloov Khoom (PCM) Cov Nqa Khoom: Txhim Kho Lub Thermal Conductivity ntawm paraffin raws cov ntaub ntawv
Thermal interface khoom siv: siv rau thermal conductivity silicone roj ntawm roj teeb modules
Qhov Zoo:
Qhov kub thiab txias rau kev siv: -60℃rau 250 degree
Thermal Kuj<0.05 ℃ · cm ²/W
Hnub Ci Kub Sau System
Lub tshuab parabolic trough: raws li cov cua sov hloov
Molten Ntsev Zog Zog Cia Khoom: Txo cov viscosity ntawm nitrate molten ntsev
Kev Siv Hluav Taws Xob Hluav Taws Xob
fluorinating reasent
PerflluoroKylation Cov Neeg Tshaj Tawm: Hla Coupling nrog Olefins catalyzed los ntawm Nickel
Triflluoromethylation reagent: koom tes nrog synthesis ntawm umemoto reagent
Cov tshuaj tiv thaiv zoo li cas:
C6F5-CF2-CF2-CF2-CF2-CF2-CF {} → PFBP → Fullluorocarbon Txuas Txuas Txuas
Tshuaj Txha
Kev ua pa: perfluorocarbon raws cov ntshav muaj cov ntshav
Cov tshuaj antitums: tsim cov fluorinated heterocyclic tebchaw
Tus sawv cev Khoom:
FluVix Pab Pawg Saw
Everolimus fluorinated roj fluorinated
Polymer synthesis
Fluorinated monomer: Kev npaj polyvinylidene fluoride (PVDF) copolymer
Cov neeg sawv cev hla: Siv rau kev hloov kho perfluorosulfonic acid resin (Nafion)
Cov Teb Tshwj Xeeb Lubrication
Nqus ib puag ncig lubrication
Artecraft Robotic Caj Npab: Ua lub cev yuag hauv qab ib lub tsev nqus℃ntawm 10 ⁻⁶ PA
Tsawg cov kabmob kub: Lubricating nruab nrab hauv cov kua nitrogen kub ntau yam (-196 degree)
Qhov ntsuas tau:
Sanceated Vapor Siab<10 ⁻⁸ Torr (25 ℃)
Kev txhuam cev coefficient<0.05 (steel steel contact)
Sib Nqus Cia Nruab Nrab
Hard disk lub taub hau: ua yeeb yam raws li lubricating txheej ntawm cov roj teeb ntawm cov roj carbon txheej thiab cobalt ua alloy
Sib Nqus Kab Xev Txheej: Txhim kho qhov kev rho tawm kev rho tawm ntawm kev sib nqus
Cov Khoom Nqes Qhuav Pob Zeb
Vam metera meter Submersible: O - ret lubrication rau chamber
Seem moj hiav txwv Sensor: Anti Kub Siab (110MPA) Lubrication System
Kev Tshawb Xyuas thiab Kuaj Xyuas
Roj Chromatography Theem
High temperature chromatography column: analysis of high boiling point organic compounds (>350 Qib)
Polarity sib cais: paub qhov txawv (xws li dichhlorobenzene)
Cov Kev Siv Raug:
Quantitative Tsom xam cov ntxhiab hydrocarbons hauv cov roj av feem
Cov tshuaj tua tshuaj tua kab kuab pom kev pom
Nuclear Sib Nqus Reversonance
Fluorine Spectrum Tshuaj Hloov Dag Khoom Siv: δ =-162 ppm (cf α cf {{1} {}}}} Hais)
So lub sij hawm tus qauv: t 1=0.85 s (300mHz)
Pawg Spectrometry Calibration
Zoo siab rau them piv cov qauv: molecular ion peak m / z =522 (m ⁺)
Hom Fragmentation: C8F7⁺ (m / z=333}), c ₄ f α⁺ (m / z =113)
Daim ntawv thov ntawm kev tshawb fawb ib puag ncig
Polledant tracer
Kev tshawb fawb txog cov atmospheric
Kev yos ntawm dej sediment: siv ib nrab - lub neej ntawm ¹⁴ c isotopes (5730 xyoo)
Kev npaj ntawm cov khoom siv siv tau
Organic fluorine cov qauv kev ntseeg fluorine: siv rau icp - ms / oes tsom kwm
Cov neeg muaj kuab paug organic muaj kuab (pops) siv: ua raws li cov cai ntawm Stockholm Lub Rooj Sib Tham
Kev sim bioacceeb
Fish Bioaccumulation: Evaluating BCF Values (>5000)
Bird toxicology: LD50>2000mg / kg (quail)
DecafluorobiphenylYog dav siv nyob rau hauv cov synthesis ntawm cov roj hoses thiab sealing cov ntaub ntawv rau kev siv lub cav tsheb. Matrix ntawm fluorocarbon txheej yog feem ntau yog ptfe txheej, pvdf fluoropicymer, thiab lwm yam khoom siv tshuaj tua kab mob, thiab lwm yam. Nws cov txheej txheem hluavtaws yog raws li hauv qab no:
Ntxiv rau Cubreply2 (0.0013g, 0.0000MMOL) rau 4mL kom qhuav vial nruab nrog txiv pas nrig nplawm. Lub raj mis me me yog ntim nrog roj hmab diaphragm. Tom qab ntawd nchuav lub vial vial thiab sau nws nrog argon rau peb zaug, tom qab ntawd ntxiv anhydrousium bromide (0.30mmol) thiab (cyclohexylmethyl) magnesium bromide. Tom qab, di - tert {{}} butydiazinone (1) (0.33mm) tau ntxiv rau txoj kev sib xyaw. Do cov tshuaj tiv thaiv kab sib tov sib xyaw ua ke nyob rau hauv chav tsev kub raws li 3 teev, mloog zoo thiab ntxuav los ntawm shoco cov tshuaj chromatography (silica gel, pentane). Hla Kev Ua Ke Cov Khoom Sib Txuas 4G yog cov roj tsis muaj roj (0.0482G, 81%). Tau Txais Dawb Zog perflicuorobiphenyl (0.0477 Txuj Luj, 58%). Melting point 112-113 Qib C (Melting point 116-118 Degree C); IR (ntshiab) 1607148312499CM-1; 1H Nuclear Sib Nqus Revelire Remonce (300MHz, Cdcl3) δ 7.40-7.33 (m, 2H.99 (s, 3h); 19F}} hz, 12}} (td, jf {{{{=23.1, 7.9Hz, 2f; HRMS xam tus nqi ntawm c13h7f5o (m +): 274.0412; paub: 274.0409.
Decafluorobiphenyl(Ib qho fluoricated muaj ntxhiab tsw muaj ntxhiab, nrog ib tug lej 434-90-2) muaj cov tshuaj lom neeg hauv qab no:
Molecular qauv thiab muaj pes tsawg leeg
Cov qauv molecular ntawm decafluorobiphenyl yog c₁₂f₁₀. Nws muaj li ntawm ob lub renzene rings sib txuas nrog los ntawm ib qho kev khi lus, thiab tag nrho cov hydrogen atoms yog hloov los ntawm cov tshuaj fluorine atoms. Lub hom phiaj fuorinated fluorinated no tau xaus nws nrog kev ruaj ntseg tshuaj ruaj khov. Lub zog electronegativity ntawm cov tshuaj fluorine atoms (3.98) hauv cov pa roj hmab ua kom muaj kwv yees li ntawm 485 KJ / Mol / Mol), yog ib txoj kev sib koom ua ke ntawm cov huab cua tshuab hluav taws xob.
Lub Xeev Lub Xeev thiab Thermal Stability
Ntawm chav tsev kub, decafluorobiphenyl yog lub ntsej muag dawb crystalline nrog lub poelstalline khoom nrog lub ntsiab lus me me ntawm 68 {degree thiab nyem taw tes yog 206 degree. Nws qhov ceev yog 1.785 g / cm³, uas yog ntau dua li ntawm cov dej (1 g / cm³), qhia tau muaj zog sib xyaw ua ke. Qhov no compound tseem ruaj khov hauv qab no 206 degree, thiab nws thermal decomposition kub yog siab tshaj li ntawm cov kuab tshuaj organic, ua rau nws haum rau cov tshuab hluav taws xob siab.
Tshuaj lom neeg inertness thiab realivity
Tshuaj lom neeg inertness ntawm decafluorobiphenyl stems los ntawm cov qauv fluorinated tag nrho:
Oxidation tsis kam: lub zog hluav taws xob - tshem tawm cov tshuaj fluorine txo cov roj fluorine densuces, ua rau nws nyuaj rau kev tawm tsam. Piv txwv li, hauv concentrated nitric acid los yog poov tshuaj permanganate daws, qhov sib xyaw no tuaj yeem ruaj khov rau lub sijhawm ntev.
HYBOLYTIC: Kev polarity (dipole lub sijhawm kwv yees li ntawm 1.4}}} Cov pa roj fluorine dom (0.53 a) Yog li ntawd, nyob rau hauv nruab nrab lossis tsis muaj zog acidic tej yam kev mob, tus nqi hydrourysis tsawg kawg nkaus.
Tsawg reactivity: hauv cov khoom siv pa hluav taws xob cov khoom siv hluav taws xob (ua kom zoo nkauj {{{}
Solubility thiab sib xyaw
Decafluorobiphenyl yog me ntsis soluble hauv dej (solubility <0.1 g / l), tab sis soluble agolents (xws li dmf, dmo). Nws qhov kev coj cwj pwm solubility conforms rau lub "zoo li yaj zoo li" txoj ntsiab cai. Tag nrho - Cov tshuaj fluorinated ua rau nws muaj cov tshuaj polymers zoo (xws li PTFE), thiab feem ntau yog siv los npaj fluorinated fluorinated cov ntaub ntawv fluorinated.
Kev Nyab Xeeb Kev Nyab Xeeb thiab Ib puag ncig
Tsawg toxicity: cov ntaub ntawv muaj txiaj ntsig tam sim no tsis qhia meej cov kab ke muaj kuab lom thiab yuav tsum zam rau kev tawm tsam dej ncaj qha rau hauv dej.
Ruaj thiab cia: Decafluorobiphenyl tuaj yeem khaws cia stably rau hauv kev sib cuag nrog cov muaj zog ntawm cov muaj zog, tab sis nws yuav tsum zam kev tsis tiv thaiv tsis tu ncua.
Daim Ntawv Thov
Raws li cov khoom saum toj no, Decafluorobipiphenyl muaj tus nqi tseem ceeb hauv cov teb hauv qab no:
Cov ntaub ntawv hauv hluav taws xob: Ua cov kua dielectric rau high {{} ≈ ≈ ≈ ≈ ≈ ≈ ≈ ≈ <0.001) tuaj yeem txhim kho qhov ruaj khov ntawm cov khoom siv.
Organic synthesis: raws li ib qho inert cov kuab tshuaj lossis kev tawm tsam matrix, nws yog siv los npaj fluoropolosy (xws li fluororubber, cov fluororesin) lossis cov khoom noj ua kua tshwj xeeb) lossis cov khoom noj tshwj xeeb.
Kev Tshawb Nrhiav Cov Teb: Hauv cov khoom siv hluav taws xob hauv organic (xws li cov khoom siv tshuaj solar Nyob rau hauv cov ntaub ntawv txuj ci, raws li tus neeg sawv cev hla, nws tuaj yeem txhim kho cov kub tiv, tshuaj lom neeg thiab UV tsis taus ntawm elastomers thiab cov tsho tshaj.
Cim npe nrov: Decafluorobiphenyl Cas 434-90-2, cov neeg muab khoom, chaw tsim khoom, Hoobkas, lag luam Wholesale, yuav, nqe, loj, loj, rau muag